<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script src='../../vue.global.js'></script>
</head>

<body>
    <div id='app'>
        <span>这个将会改变: {{ count }}</span>
        <button v-on:click="addCount">addCount</button>

        <button v-on:click="count++">addCount</button>
    </div>

    <script>
        const app = Vue.createApp({
            data() {
                return {
                    count: 0
                }
            },
            methods:{
                addCount(){
                    this.count++
                }
            }
        })
        const vm = app.mount('#app')
    </script>
</body>

</html>